Ahra Yi, "Room temperature processable high-efficient inverted perovskite solar cells", CPOS-COPE Workshop on Functional Materials for Emerging Technologies, Poster, University of California Santa Barbara, Santa Barbara, USA (Apr, 2024.)
Ahra Yi, “Low-Temperature Processing in Perovskite Solar Cell Technology”, Materials Research Outreach Program Symposium (MROP 2024), Oral, University of California Santa Barbara, Santa Barbara, USA (Jan, 2024.)
Ahra Yi, "Low temperature processable high-efficient inverted perovskite solar cells enabled by the structural control", 15th International Symposium on Functional π(pi)-Electron Systems (Fpi-15), Poster, Raleigh Convention Center, Raleigh, North Carolina, USA (June, 2023)
Ahra Yi, "Advancements in Low-Temperature Processable Perovskite Solar Cells: Expanding the Substrate Landscape", Center for Polymers and Organic solids (CPOS) Seminar, Invited Oral, University of California Santa Barbara, Santa Barbara, California, USA (June, 2023)
Ahra Yi, "Manipulating the crystal structure of a conjugated polymer for efficient sequentially processed organic solar cells", EM-NANO 2019, Poster, Shinshu University, Nagano City, Japan (June, 2019)
Ahra Yi, Manipulating the molecular orientation of conjugated polymers for bilayer OPVs, SPIE OPTO, SPIE Photonics West 2018, Poster, San Francisco, USA (Feb, 2018)
Ahra Yi, Organic photovoltaic properties of 6-(2-thienyl)-4H-thieno [3, 2-b] indole based conjugated polymers containing fluorinated benzothiadiazole, 253rd American Chemical Society National Meeting & Exposition, Poster, San Francisco, USA (Apr, 2017)
Ahra Yi, “Fascinating encapsulant based on flexible graphene material for robusting the stability of perovskite solar cells”, Brain Korea Education Program for Forward-looking Student Resources in Multi-scale Integrated Chemical Engineering, Oral, Republic of Korea (2021.12)
Ahra Yi, “Synergistic effect of cooperating solvent vapor annealing for high efficient planar inverted perovskite solar cells”, The Korean Physical Society, 2020 KPS Spring Meeting, Oral, Republic of Korea (2020.07)
Ahra Yi, “Molecular engineering of a conjugated polymer as hole transporting layer for versatile p-i-n perovskite solar cells”, The Korean Institute of Chemical Engineers, 2019 KIChE Spring Meeting, Poster, Republic of Korea (2019.04)
Ahra Yi, “Manipulating the molecular orientation of conjugated polymers for bilayer OPVs”, The Polymer Society of Korea, 2019 Spring Meeting, Poster, Republic of Korea (2019.04)
Ahra Yi, “Manipulating the molecular orientation of conjugated polymers for bilayer OPVs”, The 15th international surface x-ray and neutron scattering conference (SXNS-15), Poster, Republic of Korea (2018.07)
Ahra Yi, “Organic semiconductor properties of fluorinated conducting polymer”, The Korean Vacuum Society, The 52nd Winter Annual Conference of the Korean Vacuum Society, Poster, Republic of Korea (2017.02)
Ahra Yi, “Organic semiconductor properties of fluorinated conducting polymer”, Materials Research Society of Korea, 2016 Fall meeting, Poster, Republic of Korea (2016.11)
Ahra Yi, “Organic semiconductor properties of fluorinated conducting polymer”, The Korean Fiber Society & The Korean Society of Dyes and Finishers, 2016 Fall meeting, Poster, Republic of Korea (2016.11)